AMD’s first RV790 samples was in operation for several days, and the RV740 samples was complete for a long time. According to the HardWare-Infos, the RV790 samples equipped with 1GB GDDR5 memory of Qimonda, it working at 750/900MHz(core/memory), and have 256-bit memory interface. In addition, another spec are unknow. The RV740 sample also equipped the GDDR5 mmory, [...]